<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./lib/vue.js"></script>
    <style>
        /* v-enter : 代表进入动画开始之前 */   
        /* v-leave-to : 代表动画离开之后 */ 
        /* .v-enter,
        .v-leave-to{
            opacity: 0;
            transform: translateX(150px);
        } */
        /* v-enter-active : 代表入场动画 */   
        /* v-leave-active : 代表离场动画 */ 
        /* .v-enter-active,
        .v-leave-active{
            transition: all 0.8s ease;
        } */

        .my-enter,
        .my-leave-to{
            opacity: 0;
            transform: translateX(150px);
        }
        .my-enter-active,
        .my-leave-active{
            transition: all 0.8s ease;
        }

    </style>
</head>
<body>
    <div id="app">
        <input type="button" value="toggle" @click="flag=!flag">
        <!-- 修改 v- 前缀 , 只需在 transition 中加入 name 属性 -->
        <transition name="my">
            <h3 v-if="flag">璇璇傻</h3>
        </transition>

    </div>
    <script>
        new Vue({
            el : '#app',
            data : {
                flag : false
            },
            methods: {
                
            },
        })
    
    
    </script>
</body>
</html>